Building a Full-Stack Habit Tracker with Claude Code - Part 2: Polish, Testing & Deployment

Building a Full-Stack Habit Tracker with Claude Code - Part 2: Polish, Testing & Deployment Taking the habit tracker from MVP to production-ready with categories, analytics, comprehensive testing, and Vercel deployment Welcome Back! In [Part 1] , we built a fully functional habit tracker MVP in about 6-8 hours using Claude Code as our AI pair programmer. We had: ✅ Basic CRUD operations for habits ✅ Date-based tracking ✅ Dark/light theme toggle ✅ localStorage persistence ✅ Simple analytics So